Keystones — Cornerstone
Five GCSE retrieval questions · 25 August 2025 · mathsvault.uk/keystones
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1. Number
Find the total of 129, 253, and 52
Answer: 434 -
2. Algebra
Collect like terms: 2x + 2y + 3x + 6y
Answer: 5x + 8y -
3. Geometry
Calculate the hypotenuse when a = 6cm and b = 8cm
Answer: 10cm -
4. Ratio
Simplify: 8:12:24
Answer: 2:3:6 -
5. Statistics
Find the mean of: 2, 3, 8, 19
Answer: 8